(1,1'-Biphenyl)-4,4'-dicarboxylic acid, dimethyl ester 156326-47-5 4,4'-Biphenyldicarboxylic acid, dimethyl ester 792-74-5 DIMETHYL 4,4'-BIPHENYLDICARBOXYLATE Dimethyl (1,1'-biphenyl)-4,4'-dicarboxylate EINECS 212-341-4 HSDB 5754